<template>
    <div>
        Test2.vue {{ count }}
        <button @click="count++">加</button>
    </div>
</template>

<script setup>
import{ onMounted ,ref} from 'vue'

const count = ref(0)

onMounted(() => {
    // console.info("user.vue,加载了。。。")
})
</script>

<style lang="less" scoped>

</style>